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=== tests/cases/compiler/functionCallOnConstrainedTypeVariable.ts ===
// Repro from #20196
type A = {
>A : A
a: (x: number) => string
>a : (x: number) => string
>x : number
};
type B = {
>B : B
a: (x: boolean) => string
>a : (x: boolean) => string
>x : boolean
};
function call0(p: A | B) {
>call0 : (p: A | B) => void
>p : A | B
p.a("s"); // Error
>p.a("s") : any
>p.a : ((x: number) => string) | ((x: boolean) => string)
>p : A | B
>a : ((x: number) => string) | ((x: boolean) => string)
>"s" : "s"
}
function callN<T extends A | B>(p: T) {
>callN : <T extends A | B>(p: T) => void
>p : T
p.a("s"); // Error
>p.a("s") : any
>p.a : ((x: number) => string) | ((x: boolean) => string)
>p : T
>a : ((x: number) => string) | ((x: boolean) => string)
>"s" : "s"
var a: T["a"] = p.a;
>a : T["a"]
>p.a : ((x: number) => string) | ((x: boolean) => string)
>p : T
>a : ((x: number) => string) | ((x: boolean) => string)
a(""); // Error
>a("") : any
>a : T["a"]
>"" : ""
a("", "", "", ""); // Error
>a("", "", "", "") : any
>a : T["a"]
>"" : ""
>"" : ""
>"" : ""
>"" : ""
}
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